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1200°C 2" Tube Furnace w/ Automatic Valves & Sliding Door - OTF-1200X2-ASD

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OTF-1200X-ASD  is a compact split tube furnace with a max. the working temperature of 1200°C.   The automatic sliding door ( flange ) is built in to open or close the flange automatic without tightening screws.  Gas inlet & outlet valves and vacuum port are controlled by solenoid valves without manual operation.  All actions are controlled by a touch screen panel or optional PC.



Furnace Structure
  • Double-layer steel structure.
  • High purity Al2O3 fibrous insulation with Max. energy saving
  • High purity alumina coating on refractory ceramics for longer service life.
1.2 KW
110VAC or 220VAC
(Please select the voltage in the options bar)
Max. Temperature
1200°C (<1 hour)
Continuous Temperature
1100°C ( continuous)
Max. Heating Rate
<= 10 °C/min
Heating Zone Length
8" (200mm), single zone. The following picture shows the temp. distribution across the heating zone
Constant Temp. Zone
2.3" (60mm)  (+/-1°C) @ 1000 °C
Temperature Controller
  • Proportional–integral–derivative control (PID control) and auto-tune function
  • Built-in Over Temperature and Thermocouple Failure Protection
  • 30 segments programmed with ramping, cooling, and dwelling steps
  • Default DB9 PC communication port
  • Temperature accuracy: +/- 1°C
  • Advanced Enrutherm 3000 is option with +/- 0.1oC accuracy
  • RS485 port and  software are included for PC operation
Heating Elements
Fe-Cr-Al Alloy doped by Mo
Tube Size 
Vacuum Flanges
& Vacuum Level
  • Left side flange is installed with gas outlet and KF25 vacuum port together with solenoid valves, which can be opened and closed by the touch screen panel 
  • The right side flange is installed with a gas inlet with solenoid valves and a quartz sample holder with baffles. The flange is driven pneumatically to close and open the right flange ( door) without manual operation.
  • Vacuum level: 10-2 torr by mechanical pump and 10-5 torr by turbo-pump
Pressure Measurement / Monitoring
  • Standard mechanical vacuum gauge measures within a pressure range of -0.1 to 0.15Mpa are included.
  • Optional: A gas-type independent digital vacuum gauge with a wide range between 3.8x10-5 to 1125 Torr. 
Control Panel
  • Touch screen control panel to control all parameters, including
    • Temperature programma
    • Vacuum pump on/off
    • Right flange close/open
    • Gas inlet and outlet on/off
 ( click Pic to see details )
Net Weight
35 Kg
Shipping  Package  Size
40''(L) x 30''(W) x 35''(H)
Shipping Weight
110 lbs
One-year limited warranty with lifetime support (Consumable parts such as processing tubes and o-rings are not covered by the warranty, please order replacements at related products below.) 
  • CE Certified
  • NRTL or CSA certification is available upon request at the extra cost. 
Application Notes & Warning

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